P

Inventor

HARTMANN RICHARD O

US6 patents
⚠️ This page may combine multiple inventors who share the name “HARTMANN RICHARD O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BI EN CORP

3 patents
US9359263B2Jun 7, 2016

Fluid ionized compositions, methods of preparation and uses thereof

BI EN CORP15 citations88
US10189751B2Jan 29, 2019

Fluid ionized compositions, methods of preparation and uses thereof

BI EN CORP2 citations68
US11407689B2Aug 9, 2022

Black urea enhanced efficiency controllable release fertilizer compositions

BI EN CORP0 citations57

HARTMANN RICHARD

1 patent
US6576035B2Jun 10, 2003

Stabilized enhanced efficiency controllable release calcium cyanamide compositions

HARTMANN RICHARD41 citations88

HARTMANN RICHARD O

1 patent
US7785388B2Aug 31, 2010

Method for producing stabilized nitrogen compositions

HARTMANN RICHARD O13 citations77

BI-EN CORP

1 patent
US10737987B2Aug 11, 2020

Fluid ionized compositions, methods of preparation and uses thereof

BI-EN CORP0 citations48